How many carbon atoms are there in the human body approximately?

The Role of Carbon-14 in Radiocarbon Dating and Its Implications for Science

Interactive Video
•
Chemistry, Biology, Science
•
9th - 12th Grade
•
Hard

Patricia Brown
FREE Resource
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
26 trillion
80 trillion trillion
26 trillion trillion
80 trillion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the role of cosmic rays in the formation of carbon-14?
They add a proton to nitrogen atoms.
They convert carbon-12 to carbon-14 directly.
They initiate a reaction that adds a neutron to nitrogen atoms.
They remove electrons from carbon atoms.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to carbon-14 during beta decay?
It loses a proton and becomes carbon-13.
It loses an electron and becomes nitrogen-14.
It gains an electron and becomes oxygen-14.
It gains a neutron and becomes carbon-15.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the half-life of carbon-14?
10,000 years
5,700 years
1,000 years
50,000 years
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Who was the first scientist to measure carbon-14 using a Geiger counter?
Albert Einstein
Niels Bohr
Marie Curie
Willard Libby
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main advantage of AMS over the beta decay method?
It is less expensive.
It is more accurate.
It can date samples older than 100,000 years.
It requires no sample preparation.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is radiocarbon dating limited to samples less than 50,000 years old?
Carbon-14 becomes carbon-12 after 50,000 years.
There is too little carbon-14 left to detect.
The method is not accurate for older samples.
Carbon-14 decays too quickly.
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